<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>

    <script>
        function goDay1(){
            location.href = './day1.html'
        }
    </script>
    <button onclick="goDay1()">跳转到第一天</button>
    
</body>
</html>